we had a report from a small, private aircraft pilot who sought united 93 waggling his wings. that through a lot of ambiguity into this situation, because signal thatniversal cigna the pilot has lost radi a plane could lose an electronic system, their ability to communicate, even their ability to navigate. even at that junction, minutes before the aircraft hit the ground in pennsylvania, we were still wondering whether it was truly hijacked. we never received any confirmation of hijacking, which in my 40-50 years of aviation, i've always had a confirmation of the hijack, either from the pilot himself or from the hijacker. they would enable us to know. there is never been a situation where hijackers ever flew the plane. that created the biggest paradox for us on that day in trying to figure out what was going on. how could a hijacker forced the pilot, either by holding a gun or a knife to his head, force them to plan to the building -- force them to fly into the building. we have all heard about pilots executing heroic actions of flying a plane into an area where it would call